To connect cables to the control terminals without using crimp terminals, refer to the
following illustration detailing the correct length of exposed conductor at the end of the
control cable.
• While making wiring connections at the control terminals, ensure that the total cable length
does not exceed 165ft (50m).
• Ensure that the length of any safety related wiring does not exceed 100ft (30m).
• Ensure that the cable length between an LCD keypad and the inverter does not exceed 10ft
(3.04m). Cable connections longer than 10ft (3.04m) may cause signal errors.
• Use ferrite material to protect signal cables from electro-magnetic interference.
• Take care when supporting cables using cable ties, to apply the cable ties no closer than 6
inches from the inverter. This provides sufficient access to fully close the front cover.
• When making control terminal cable connections, use a small flat-tip screw driver (0.1in
wide (2.5mm) and 0.015in thick (0.4mm) at the tip).
SA,SB, SC, they are shorted, have 24V voltage. Do not connect power to the inverter until
installation has been fully completed and the inverter is ready to be operated. Doing so may
result in electric shock.
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